The Crimson Trace Rail Master, Universal Rail Mount (brand part no. CMR-209) is a 100-lumen LED light for M1913/Picatinny or Weaver rails, from Crimson Trace. Tap-on, tap-off activation with a 5-minute auto shut-off runs about 2 hours on one CR2 lithium battery. It fits most rail-equipped pistols and long guns, including the 1911 Government/Commander, AR-15/M16, Beretta PX4, Glock 3rd/4th Gen, HK P30/45/45C, Ruger SR9/SR40, Sig P220/226/229, S&W M&P/SD, Springfield XD/XD(M), and Taurus Millennium Pro.

Key Specifications

• 100-lumen LED, roughly 2-hour runtime on one CR2 battery.
• Tap on/off activation with a 5-minute auto shut-off.
• Fits M1913/Picatinny or Weaver rails with at least 1-1/16-inch clearance from the recoil lug.
• Constant, momentary, and strobe light modes.

Frequently Asked Questions

What rail does this fit? M1913/Picatinny or Weaver rails on most rail-equipped pistols and long guns.

How long does the battery last? About 2 hours on one CR2 lithium battery, with a 5-minute auto shut-off to save power.

Buy the Crimson Trace Rail Master Universal Rail-Mount Light, 100 Lumens

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